Hospital officials said a young patient was scared after seeing the work done, so they decided to make the routine task a little more interesting.

The crew donned superhero uniforms and delighted the children. Doctors said these kinds of experiences can help a kid persevere through a tough time.

"It really just brightens their days, not just for the kids but for their families," Susan Taylor, a Child Life Specialist, said. "Kids are dealing with pretty extraordinary circumstances when they're here. Something like this is something they'll probably remember forever."

Superman, Captain America and the rest of the maintenance crew said it was an honor to do the work.

TUTOR TO CONNOR AT A COST OF 2-$300 A DAY. A HUGE THRILL FOR KIDS AT THE CHILDREN'S HOSPITAL IN DARTMOUTH. WHAT A PAIR OF SUPERHEROS TOOK SOME TIME OUT OF THE BUSY SCHEDULES TO STOP BY. THEY SPENT SOME TIME WASHING THE WINDOWS AT C.H.A.D. THEY DECIDED TO MAKE THE TASK MORE INTERESTING AFTER A YOUNG PATIENT GOT SCARED. THIS CREW DONNED THE SUPERHERO UNIFORMS. EXPERIENCES LIKE THIS CAN HELP KIDS PERSEVERE THROUGH A DIFFICULT TIME. IT REALLY JUST BRIGHTENS THEIR DAY. NOT JUST FOR THE KIDS, BUT FOR THEIR FAMILIES. KIDS ARE DEALING WITH EXTRAORDINARY CIRCUMSTANCES WHEN THEY ARE HERE. TO BE ABLE TO -- SOMETHING LIKE THIS IS SOMETHING THEY'LL REMEMBER FOREVER. SUPERMAN, CAPTAIN AMERICA, AND THE REST OF THE MAINTENANCE